『Sustainability In Your Ear』のカバーアート

Sustainability In Your Ear

Sustainability In Your Ear

著者： Mitch Ratcliffe
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このコンテンツについて

 Mitch Ratcliffe interviews activists, authors, entrepreneurs and changemakers working to accelerate the transition to a sustainable, post-carbon society. You have more power to improve the world than you know! Listen in to learn and be inspired to give your best to restoring the climate and regenerating nature.Copyright 2025 Internet Media Strategies Inc. マネジメント・リーダーシップ リーダーシップ 地球科学 生物科学 科学 経済学
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  • Star's Tech Hando Choi On Inventing A Low-Carbon, Low-Chloride De-Icer Made From Star Fish

    Star's Tech Hando Choi On Inventing A Low-Carbon, Low-Chloride De-Icer Made From Star Fish
    2025/11/24
    Read along with our transcript.

    What if the solution to winter's infrastructure corrosion and environmentally benign home sidewalk de-icing was an invasive starfish being thrown back into Korea's coastal waters? Hando Choi, president of Star's Tech, joins the conversation to explain how one region's invasive species problem can become another's environmental breakthrough. The company developed ECO-ST, a de-icing product made from starfish skeletons that not only melts ice faster than conventional rock salt but also reduces the chloride pollution that causes billions of dollars in damage to roads, bridges, and vehicles every winter.

    Meanwhile, in Korean waters, the Northern Pacific sea star has become such a menace to shellfish aquaculture that the government purchases 3,000 to 4,000 tons annually to control populations. Stars Tech upcycles about 10% of that collected material, extracting the porous calcium carbonate structures that give starfish their shape and their remarkable ability to store and release chloride. The technology began as a high school science project when founder and chief scientist Seungchan Yang experimented with natural pore structures to control ion release, eventually connecting that research to the negative impacts of conventional deicers while studying at Seoul National University.

    The economic case is compelling once you factor in the full cost of ownership. While ECO-ST runs $465 to $650 per ton compared to $100 to $150 for commodity rock salt, salt itself accounts for less than 5% of most winter maintenance budgets. The Isaac Walton League of America estimates that infrastructure damage from road salt ranges from $30 to $300 per ton used. Stars Tech's simulations based on U.S. municipal data show ECO-ST can deliver up to 5,000% ROI over time when lower infrastructure maintenance costs, fewer reapplications, and ESG compliance benefits are factored in.

    ECO-ST is available on Amazon in the U.S. and Canada, with retail partnerships launching this winter. You can learn more about Stars Tech at starstech.co.
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    34 分
  • Liquidonate CEO Disney Petit On Solving The Retail Returns Crisis

    Liquidonate CEO Disney Petit On Solving The Retail Returns Crisis
    2025/11/17
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    What if the solution to the retail industry's $890 billion returns crisis wasn't better logistics, but better logic? Disney Petit, founder and CEO of Liquidonate, is proving that the most sustainable return skips the trip back to a warehouse and goes directly to a community in need. Americans returned nearly 17% of all retail purchases last year, generating 2.6 million tons of landfill waste and 16 million tons of CO2 emissions. Each return costs retailers between $25 and $35 to process, yet 52% of consumers admit to participating in return fraud at least once. Petit witnessed this broken system firsthand as employee number 15 at Postmates, where she built the customer service team and created Civic Labs, the company's social responsibility arm. Her food security product Bento, which allowed people without smartphones to access free food via text message, won Time Magazine's 2021 Invention of the Year Award. Now Liquidonate has earned recognition as one of Time's Best Inventions of 2025.

    Liquidonate integrates directly with retailers' existing warehouse and return management systems. When a product comes back and can't be resold—open box, slightly damaged, or simply unwanted—the platform automatically matches it with a local nonprofit or school that needs it. "It's the same reverse logistics workflow they already use," Petit explains. "It's just redirected toward community good instead of going to the landfill." The platform handles everything: shipping labels, pickup coordination, and tax documentation so retailers can write off donations. Retailers recover logistics costs through tax benefits while communities receive quality products, and millions of pounds of goods stay out of landfills.

    To date, retailers using Liquidonate have diverted over 12 million items from landfills, working with more than 4,000 nonprofits across the country. Liquidonate also tackles return fraud by eliminating "keep it" returns, when customers claim they want to return something but are told to keep the item and still receive a refund. "One hundred percent of the time we're producing a shipping label for a nonprofit who wants that product," Petit says. "We completely eliminate that keep-it return option, so we eliminate the returns fraud option." With $900 billion worth of inventory potentially available for redirection, Petit approaches the business through the lens of environmental justice, building a for-profit company designed to prove that doing good and doing well aren't mutually exclusive—they're interdependent.

    Nonprofits and schools can sign up for free at liquidonate.com. Retailers interested in partnering can reach out to partners@liquidonate.com.
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    35 分
  • Luke Purdy, Wieden+Kennedy's Director of Sustainability, on Advertising's Power To Change

    Luke Purdy, Wieden+Kennedy's Director of Sustainability, on Advertising's Power To Change
    2025/11/10
    Can the industry that taught the world to consume help us learn to consume more responsibly? Luke Purdy, Director of Sustainability at one of the world's leading creative agencies Wieden+Kennedy, is betting his career on it. After 13 years working on major accounts like Nike and Corona at one of the world's most influential creative agencies, Purdy did something unusual: he wrote his own job description and asked to become the agency's first sustainability director. Wieden+Kennedy gave him the job, and in 2023, the agency became the first global advertising network to achieve B Corp certification across all nine offices in seven countries. With brands spending over $700 billion annually on advertising worldwide, the messages agencies craft shape not just what people buy, but how they think about consumption itself.

    Luke discusses how he sold sustainability as a business value proposition rather than a compliance issue, why he reports to the CFO instead of the CMO, and how Wieden+Kennedy's carbon removal program for video productions is changing industry standards. He also tackles thorny questions about greenwashing that can guide which clients agencies should work with, arguing that guiding any company toward sustainability is better than refusing to engage.

    He shares lessons from helping transform Danish Oil and Natural Gas into Ørsted, one of the world's leading renewable energy companies, and explains why authentic storytelling beats green leaves and clichés every time. Can advertising agencies avoid greenwashing while still growing their clients' businesses? And what does it mean when sustainability becomes culture rather than just compliance?You can learn more about Wieden+Kennedy's sustainability work at wk.com.
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    47 分
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